He tried his best to solve the problem, difficult it was.
#66875
A
no matter what
B
whatever
C
however
D
how
推荐题目
（天津市河东区201 4年高三二模考试）12. Jim wanted to keep fit, so he spent as much time as he_______ exercise.
#66701
A
could taking
B
took
C
to take
D
could take
It’s significant for graduates to find a proper job, in which they can bring their potential into full play not just a considerable income.
#68139
A
one
B
what
C
that
D
it
The place _______interested me most was the Children's Palace.
#73839
A
Which
B
where
C
what
D
in which
George Washington was born in 1732 in a rich family in _______ is now the state of Virginia.
#72991
A
which
B
where
C
that
D
what
The reason __________ he explained is not __________ I expected．
#69386
A
why; that
B
why; what
C
that ;what
D
that; that